@interface NewsArticles.ArticleViewerAppStateMonitor : NSObject { void /* unknown type, empty encoding */ onForegroundClosures; void /* unknown type, empty encoding */ onEnterBackgroundClosures; void /* unknown type, empty encoding */ onWindowForegroundClosures; void /* unknown type, empty encoding */ onWindowBackgroundClosures; } - (void)performOnApplicationDidEnterBackground:(id /* block */)a0; - (void)performOnApplicationDidBecomeActive:(id /* block */)a0; - (void)performOnApplicationWindowDidBecomeForeground:(id /* block */)a0; - (void)performOnApplicationWillEnterForeground:(id /* block */)a0; - (void)performOnApplicationWindowDidBecomeBackground:(id /* block */)a0; - (id)init; - (void).cxx_destruct; @end